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784824895d
Closes #572 Introduce tests for new semantics for ES2015 features such as lexically-scoped bindings. Also add tests for semantics defined in prior editions of the specification but not yet covered in this test suite.
30 lines
774 B
JavaScript
30 lines
774 B
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-evaldeclarationinstantiation
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description: Re-declaration of an existing local variable binding has no effect
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info: |
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[...]
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16. For each String vn in declaredVarNames, in list order do
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a. If varEnvRec is a global Environment Record, then
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[...]
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b. Else,
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i. Let bindingExists be varEnvRec.HasBinding(vn).
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ii. If bindingExists is false, then
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[...]
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[...]
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flags: [noStrict]
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---*/
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var initial;
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(function() {
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var x = 44443;
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eval('initial = x; var x;');
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}());
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assert.sameValue(initial, 44443);
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assert.throws(ReferenceError, function() {
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x;
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});
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